Author(s):

Kulkarni AR, Pokharkar VG and Sanap DJ

Abstract: Total factor productivity indicates the contribution of non inputs to the growth of agricultural productivity. In this study, estimation of total factor productivity in wheat crop and returns to investment in wheat research in Western Maharashtra is attempted. The result indicates the output index of wheat increased from0.88 in 1993 to 1.17 in 2013. The highest output index was observed in 2006(2.16).The average input index of wheat was 0.79 for twenty one years. TFP mean of wheat (2.47) increased over first decade indicates productivity increased. The average TFP index for 21 years was 1.92.The contribution of research and non-input factors were significant from the 2005 onwards. Over the entire period of study (1993-94 to 2013-14), TFP grew at the rate of 5.45 per cent per annum The TFP index witnessed an impressive growth of 6.68 per cent per annum during period I. The improvement in total factor productivity is due to non-inputs such as research, rainfall, road density and net irrigated area etc. Non-input factors such as public research (0.29), rural literacy (2.01) has significantly contributed to TFP growth in wheat. The rainfall (0.08) is a crucial determinant of TFP in wheat. An additional investment of one rupee in Wheat research generated additional income of ₹ 15.56 indicating very high rates of return to public investment in wheat research. The estimated value of research expenditure flexibility was 3.45 which means that to achieve one per cent increase in TFP, the investments in wheat research needs to be increased by 3.45 per cent. The internal rate of return to investment in Wheat research during the period 1993-94 to 2013-14 estimated to be 23.92.

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